Welcome to the PowerDNS Blog
Check your DNS for 5G deficits
5G networks are installed in large numbers worldwide and the number of 5G subscribers is continuously increasing. These users benefit from the availability of 5G by being able to take full advantage of IoT device...
First Alpha release of PowerDNS Recursor 4.6.0
We are proud to announce the first alpha release of PowerDNS Recursor 4.6.0. Compared to the previous major (4.5) release of PowerDNS Recursor, this release contains two major sets of changes: a rewrite of the ou...
PowerDNS Recursor 4.4.5 and 4.5.5 Released
We are proud to announce the release of PowerDNS Recursor 4.4.5. and 4.5.5. Both releases contain an improvement to work around broken authoritative servers sending replies without the “authoritative answer” (AA)...
PowerDNS Recursor 4.5.4 Released
We are proud to announce the release of PowerDNS Recursor 4.5.4. This release contains a fix to an issue where the answer to a non-existent DS query was missing a SOA record. In particular this can be a problem i...
Building trust in European DNS resolvers
Open-Xchange recently announced its support for the European Resolver Policy, an industry initiative to provide more transparency and reliability around the operation of DNS resolvers in Europe.
PowerDNS Recursor 4.4.4 and 4.5.2 Released
We are proud to announce the release of PowerDNS Recursor 4.4.4. and 4.5.2. Both releases contain mostly smaller bug fixes. For the 4.5.2 release the default value of nsec3-max-iterations has been lowered to 150,...
DNS cache snooping attack
We have been getting questions about “DNS Server Cache Snooping Remote Information Disclosure” attacks lately, mostly coming from reports generated by one very popular security scanner: DNS Server Cache Snooping ...
PowerDNS Recursor 4.5.1 Released
We are proud to announce the release of PowerDNS Recursor 4.5.1. Compared to the release candidate, this release contains two bug fixes. Note that 4.5.0 was never released publicly, since an issue was found durin...
TsuNAME vulnerability and PowerDNS Recursor
Recently, the TsuNAME vulnerability was published. It concerns DNS recursors endlessly querying authoritative nameservers if the nameservers listed in the domains form a loop. The researchers contacted us before ...
Second Beta Release of PowerDNS Recursor 4.5.0
Hello!, We are proud to announce the second beta release of what should become PowerDNS Recursor 4.5.0. Compared to the first beta release, this release contains a few bug fixes and improvements, in particular a ...